Answer this question truthfully
### Question: Who needs Thoracentesis?
### Response: Normally, very little fluid is in the pleural space. A buildup of too much fluid between the layers of the pleura is called a pleural effusion.
The test is performed to determine the cause of the extra fluid, or to relieve symptoms from the fluid buildup.
The test may be also performed for the following conditions:
Asbestos-related pleural effusion. Collagen vascular disease. Drug reactions. Hemothorax. Pancreatitis. Pneumonia. Pulmonary embolism. Pulmonary veno-occlusive disease. Thyroid disease.